Base | Representation |
---|---|
bin | 111111101110001010… |
… | …110100011110100001 |
3 | 20112121022220112201200 |
4 | 333232022310132201 |
5 | 2110111100320413 |
6 | 51233140551413 |
7 | 4641343103013 |
oct | 775612643641 |
9 | 215538815650 |
10 | 68420323233 |
11 | 27020541589 |
12 | 113159b2569 |
13 | 65b50a9182 |
14 | 3450cd21b3 |
15 | 1ba6ac8573 |
hex | fee2b47a1 |
68420323233 has 12 divisors (see below), whose sum is σ = 98891966160. Its totient is φ = 45584651736.
The previous prime is 68420323193. The next prime is 68420323241. The reversal of 68420323233 is 33232302486.
68420323233 is a `hidden beast` number, since 6 + 84 + 20 + 323 + 233 = 666.
It is not a de Polignac number, because 68420323233 - 217 = 68420192161 is a prime.
It is not an unprimeable number, because it can be changed into a prime (68420323033) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2393091 + ... + 2421512.
It is an arithmetic number, because the mean of its divisors is an integer number (8240997180).
Almost surely, 268420323233 is an apocalyptic number.
It is an amenable number.
68420323233 is a deficient number, since it is larger than the sum of its proper divisors (30471642927).
68420323233 is a wasteful number, since it uses less digits than its factorization.
68420323233 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4816188 (or 4816185 counting only the distinct ones).
The product of its (nonzero) digits is 124416, while the sum is 36.
The spelling of 68420323233 in words is "sixty-eight billion, four hundred twenty million, three hundred twenty-three thousand, two hundred thirty-three".
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